Better antivirus (AV) protection?

[Dominic Raferd]

On 05/04/2022 08:57, Nikolaos Milas wrote:
> Hello,
>
> We have amavisd-new v2.12.1 in service with ClamAV v0.103.4 (on Rocky
> Linux 8.5) together with additional unofficial signatures from
> eXtremeSHOK (ref.: https://github.com/extremeshok/clamav-unofficial-sigs)
>
> Yet, we are recently receiving a lot of mails with virus-infected
> attachments (usually in 7z files) which are scanned by amavis/clamav but
> are NOT getting detected.
>
> Obviously, our current setup does not provide sufficient protection.
>
> Based on your experiences with similar setups, can you please suggest
> additional ways to provide high (or at least better) AV protection?
I found that amavis unpacking of 7z archives did not work, I removed 
that line from @decoders and now rely on clamav which can do this itself.